Masato Ohki

According to our database, Masato Ohki authored at least 33 papers between 2013 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Operational Calibration Result of the Advanced Land Observing Satellite-2 (ALOS-2).

Takeo Tadono, Masato Ohki, Takeshi Motohka, Osamu Isoguchi, Haruya Hirano

Proceedings of the IGARSS 2024, 2024

Alos-2/4 Automatic Flood Detection Algorithm: Updates and Recent Results.

Masato Ohki, Yuki Takakura, Shiro Kawakita, Junichi Takaku, Takeo Tadono

Proceedings of the IGARSS 2024, 2024

2023

Estimation of Potential Earthquake Epicenter Based on Level of Land Deformation Along Coastal Line of South Java.

Pakhrur Razi, Josaphat Tetuko Sri Sumantyo, Yuta Izumi, Takeo Tadono, Yousei Mizukami, Masato Ohki, Takeshi Motohka

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2023

Estimation of Ionospheric Tec From Alos-2 Palsar-2 Split-Band Data.

Haruya Hirano, Osamu Isoguchi, Takeshi Motohka, Masato Ohki, Takeo Tadono

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2023

2022

An experiment of flooded building detection using ALOS-2 and a flood experiment field.

Masato Ohki, Ryo Natsuaki, Sadayoshi Aoyama, Takeo Tadono

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Evaluation of Ionospheric Path Delay Correction for L-Band sar Orthorectification.

Osamu Isoguchi, Koichi Imamura, Takeo Tadono, Masato Ohki, Takeshi Motohka

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Generation of the High-Resolution Land-Use and Land-Cover Map in Japan Version 21.11.

Sota Hirayama, Takeo Tadono, Yousei Mizukami, Masato Ohki, Koichi Imamura, Naoyoshi Hirade, Fumi Ohgushi, Masanori Dotsu, Tsutomu Yamanokuchi, Kenlo Nishida Nasahara

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

2021

SAR-Based Flood Monitoring for Flatland with Frequently Fluctuating Water Surfaces: Proposal for the Normalized Backscatter Amplitude Difference Index (NoBADI).

Hiroto Nagai, Takahiro Abe, Masato Ohki

Remote. Sens., 2021

Automatic Flood Extent and Depth Estimation Using Alos-2 and Flood Simulation Data.

Masato Ohki, Kosuke Yamamoto, Takeo Tadono

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

Hurricane Ocean Surface Wind Retrieval from ALOS-2 PALSAR-2 Cross-Polarized Measurements.

Osamu Isoguchi, Takeo Tadono, Masato Ohki, Udai Shimada, Munehiko Yamaguchi, Masahiro Hayashi, Wataru Yanase

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

2020

Automated Processing for Flood Area Detection Using ALOS-2 and Hydrodynamic Simulation Data.

Masato Ohki, Kosuke Yamamoto, Takeo Tadono, Kei Yoshimura

Remote. Sens., 2020

Flood Detection in Built-Up Areas Using Interferometric Phase Statistics of PALSAR-2 Data.

Masato Ohki, Takeo Tadono, Takuya Itoh, Keiko Ishii, Tsutomu Yamanokuchi, Masanobu Shimada

IEEE Geosci. Remote. Sens. Lett., 2020

A Study of Automatic Flood-Area Detecion Using ALOS-2 and Ancillary Data.

Masato Ohki, Kosuke Yamamoto, Takeo Tadono

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

CO- and Post-Eruptive Surface Deformation Following the 2018 Eruption of Kilauea Volcano Revealed by ALOS-2 Multi-Mode Images.

Takahiro Abe, Masato Ohki, Takeo Tadono

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

2019

Sensitivity Analysis of Multifrequency MIMP SAR Data From Rice Paddies.

Motofumi Arii, Hiroyoshi Yamada, Shoichiro Kojima, Masato Ohki

IEEE Trans. Geosci. Remote. Sens., 2019

Flood Area Detection Using PALSAR-2 Amplitude and Coherence Data: The Case of the 2015 Heavy Rainfall in Japan.

Masato Ohki, Takeo Tadono, Takuya Itoh, Keiko Ishii, Tsutomu Yamanokuchi, Manabu Watanabe, Masanobu Shimada

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019

Flood Detection in Built-up Area Using Interferometric SAR Data by Palsar-2.

Masato Ohki, Masanobu Shimada

Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

Activities of the Advanced Land Observing Satellite (ALOS) for the 2011 Great East Japan Earthquake.

Masato Ohki

Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

Surface Changes Due to the 2018 Eruption of Sierra Negra Volcano in Galápagos Island Revealed by ALOS-2/PALSAR-2.

Takahiro Abe, Masato Ohki, Takeo Tadono

Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

2018

Large-Area Land Use and Land Cover Classification With Quad, Compact, and Dual Polarization SAR Data by PALSAR-2.

Masato Ohki, Masanobu Shimada

IEEE Trans. Geosci. Remote. Sens., 2018

Characterization of L-Band MIMP SAR Data From Rice Paddies at Late Vegetative Stage.

Motofumi Arii, Hiroyoshi Yamada, Masato Ohki

IEEE Trans. Geosci. Remote. Sens., 2018

Flood-Area Detection Using Palsar-2 Data for Heavy Rainfall Disasters in Japan.

Masato Ohki, Masanobu Shimada

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

ALOS-2 Mission Status Updates.

Masato Ohki, Takeshi Motooka, Takahiro Abe, Hiroto Nagai, Takeo Tadono, Yukihiro Kankaku, Masanobu Shimada

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Comparison of MIMP SAR Data from Rice Paddy at X- and L-Bands.

Motofumi Arii, Hiroyoshi Yamada, Shoichiro Kojima, Masato Ohki, Yu Okada

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Observation of Huge Iceberg Detachment from Larsen-C Ice Shelf in Antarctic Peninsula by ALOS-2/PALSAR-2.

Takahiro Abe, Masato Ohki, Takeo Tadono

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

2017

PALSAR-2 polarimetric image mosaic and its application to land cover monitoring.

Masato Ohki, Masanobu Shimada

Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

Performance of ALOS-2 PALSAR-2 for disaster response.

Ryo Natsuaki, Masato Ohki, Hiroto Nagai, Takeshi Motohka, Takeo Tadono, Masanobu Shimada, Shinichi Suzuki

Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

Evaluation of detection capability of crustal movement by airborne SAR (PI-SAR-L2) repeat-pass interferometry.

Masanori Miyawaki, Tomoko Ishii, Shouhei Ohno, Takashi Fujimura, Tsunekazu Kimura, Kenya Harada, Masato Ohki

Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

2016

Emergency observation and disaster monitoring performed by ALOS-2 PALSAR-2.

Ryo Natsuaki, Takeshi Motohka, Manabu Watanabe, Masato Ohki, Rajesh Bahadur Thapa, Hiroto Nagai, Takeo Tadono, Masanobu Shimada, Shinichi Suzuki

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

ALOS-2 operation status.

Yukihiro Kankaku, Shinichi Suzuki, Takeshi Motohka, Masato Ohki, Ryo Natsuaki, Masanobu Shimada

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

2015

Accuracy improvement by residue and amplitude based local co-registration method for ALOS-2/PALSAR-2 DInSAR.

Ryo Natsuaki, Manabu Watanabe, Takeshi Motooka, Masato Ohki, Masanobu Shimada

Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

ALOS-Next/TanDEM-L: A highly innovative SAR mission for global observation of dynamic processes on the earth's surface.

Alberto Moreira, Gerhard Krieger, Irena Hajnsek, Kostas Papathanassiou, Marwan Younis, Francisco López-Dekker, Sigurd Huber, Michael Eineder, Masanobu Shimada, Takeshi Motohka, Manabu Watanabe, Masato Ohki, Akihisa Uematsu, Satoru Ozawa

Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

2013

Deorientation Effect Investigation for Model-Based Decomposition Over Oriented Built-Up Areas.

Si-Wei Chen, Masato Ohki, Masanobu Shimada, Motoyuki Sato

IEEE Geosci. Remote. Sens. Lett., 2013